A. W. Callen of Junction City, Kansas, had this watch and fob encrusted with nuggets from his Colorado gold mine. In 1886 he presented them to his children as birthday gifts. His daughter received the watch, set with four rubies and a diamond; his son received the fob, inscribed "with Love from his Father 'Old Grizzly.'" The pieces were handed down in the family to Robert Callen King, who bequeathed them to the Smithsonian in 1963.